| Patents for John Biddis |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 16X | Aug. 10, 1791 | J. Biddis, T. Beadwell | Making extract of bark | bark processing machines |
| 75X | Mar. 31, 1794 | J. Biddis | Improvement in manufacturing paper | bridges |
| 286X | May 06, 1800 | J. Biddis | Engine for reducing silk, cotton, worsted, cloth, and to their original state to be manufactured | cotton gins |
| 360X | Mar. 22, 1802 | J. Biddis | Manufacturing Starch From Potatoes | manufacturing processes |
| 458X | Jun. 04, 1803 | J. Biddis, L.J. Kilborn | Improvement in the method of distilling or making alcohol | distilling apparatus |
